401 A married woman who works as a school nurse… Her infidelity in the infirmary room.

Yukiko was not only his wife, but also a teacher who worked in the infirmary. She had an affair with the teacher, Suzuki. The two of them secretly had sex in the infirmary’s bed. Meanwhile, Hitomi, a female student, would come and ask for permission to sleep in the bedroom behind them. After that, when Yuki, another teacher, arrived, Yukiko said nothing and locked the door to the infirmary. Yuki and Hitomi continued to have sex in the bedroom. Hitomi was the daughter of the school’s owner. Yuki used her as a sexual partner in order to get a higher salary.